The "How Stella Got Her Groove Back" writer has gone public with her thoughts about the way the Smiths are bringing up their children in a post on Twitter, and she doesn't approve of the success the youngsters are having at such a young age.

She writes, "The Smith children already act like child stars. There’s an arrogance in their demeanor and behavior. I find it incredibly sad. It feels like the Smith children are being pimped and exploited. Or, they’re already hungry for fame. What about fourth grade?

"A lot of A-list movie stars shielded their children from the Hollywood-world until they were old enough to decide. Look at those who didn’t. Look at Lindsay. Phoenix. To name but a few. They miss out on childhood. It’s more important than fame.

"These kids don’t already know what they love. Total bull----. They’re not prodigies. They think Hollywood is real. Why don’t they do a remake of 'The Little Rascals' and call it a day? Or, come up with an original film with some ethnic pride. Come on."

McMillan's 'tweet' comes a day after Willow Smith was confirmed as the star of an urban remake of movie musical "Annie," which will be produced by her parents and rap mentor Jay-Z, who signed her to his label Roc Nation last year.